Mathématiques le calcul mental
Smilly MG
calcul@TICE jeux calcul mental
Académie de Lille
Electro Calcul
PROELECTRO
Mental Math
Old Duck Games
Mental arithmetic
AndRewApps
Mental Survival
App Heaven Ltd
Math Games: Math for Kids
RV AppStudios
趣味數學遊戲:一、二、三和四年級的心算
Speedymind LLC
數學益智遊戲 - Crossmath
Guru Puzzle Game
Math Games for the Brain
BrainSoft Apps